Enum mongodb::options::ReturnDocument
source · [−]#[non_exhaustive]
pub enum ReturnDocument {
After,
Before,
}
Expand description
Specifies whether a
Collection::find_one_and_replace
and
Collection::find_one_and_update
operation should return the document before or after modification.
Variants (Non-exhaustive)
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
After
Return the document after modification.
Before
Return the document before modification.
Trait Implementations
sourceimpl Clone for ReturnDocument
impl Clone for ReturnDocument
sourcefn clone(&self) -> ReturnDocument
fn clone(&self) -> ReturnDocument
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for ReturnDocument
impl Debug for ReturnDocument
sourceimpl<'de> Deserialize<'de> for ReturnDocument
impl<'de> Deserialize<'de> for ReturnDocument
sourcefn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>
Deserialize this value from the given Serde deserializer. Read more
Auto Trait Implementations
impl RefUnwindSafe for ReturnDocument
impl Send for ReturnDocument
impl Sync for ReturnDocument
impl Unpin for ReturnDocument
impl UnwindSafe for ReturnDocument
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more